CVE-2021-25846

Published: May 10, 2021Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a negative number passed to the memcpy function via a crafted lldp packet.

Affected (16)

Products: Moxa: Vport 06ec 2v26m Firmware, Vport 06ec 2v36m T Firmware, Vport 06ec 2v36m Ct Firmware, Vport 06ec 2v36m Ct T Firmware, Vport 06ec 2v42m Firmware, Vport 06ec 2v42m T Firmware, Vport 06ec 2v42m Ct Firmware, Vport 06ec 2v42m Ct T Firmware, Vport 06ec 2v60m Firmware, Vport 06ec 2v60m T Firmware, Vport 06ec 2v60m Ct Firmware, Vport 06ec 2v60m Ct T Firmware, Vport 06ec 2v80m Firmware, Vport 06ec 2v80m T Firmware, Vport 06ec 2v80m Ct Firmware, Vport 06ec 2v80m Ct T Firmware

Moxa

16 products

Vport 06ec 2v26m Firmware

Vport 06ec 2v36m T Firmware

Vport 06ec 2v36m Ct Firmware

Vport 06ec 2v36m Ct T Firmware

Vport 06ec 2v42m Firmware

Vport 06ec 2v42m T Firmware

Vport 06ec 2v42m Ct Firmware

Vport 06ec 2v42m Ct T Firmware

Vport 06ec 2v60m Firmware

Vport 06ec 2v60m T Firmware

Vport 06ec 2v60m Ct Firmware

Vport 06ec 2v60m Ct T Firmware

Vport 06ec 2v80m Firmware

Vport 06ec 2v80m T Firmware

Vport 06ec 2v80m Ct Firmware

Vport 06ec 2v80m Ct T Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v26m Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v26m	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v36m T Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v36m T	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v36m Ct Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v36m Ct	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v36m Ct T Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v36m Ct T	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v42m Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v42m	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v42m T Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v42m T	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v42m Ct Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v42m Ct	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v42m Ct T Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v42m Ct T	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v60m Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v60m	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v60m T Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v60m T	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v60m Ct Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v60m Ct	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v60m Ct T Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v60m Ct T	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v80m Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v80m	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v80m T Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v80m T	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v80m Ct Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v80m Ct	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Moxa Vport 06ec 2v80m Ct T Firmware	Up to 1.1

Running on/with	Platform Versions
Moxa Vport 06ec 2v80m Ct T	All versions

Related CWEs

CWE-191

Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

References (4)

https://www.moxa.com/en/

Source: cve@mitre.org

Vendor Advisory

https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities

Source: cve@mitre.org

Vendor Advisory

https://www.moxa.com/en/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.